To get an idea of exactly how small the worldâs smallest insect is, take out a ruler and look at those tiny lines that appear in between centimeters (make sure youâre not on the side that measures in inches). If in doubt, ask a grown-up to help you find the millimeters.
Nausea and vomiting are very nonspecific symptoms that can be common among people with stomach cancer. Persistent nausea and/or vomiting needs to be checked by your doctor. It can indicate a serious health problem and can cause damage to the lining of your esophagus.
Several types of cancer treatment can cause diarrhea: 1  Chemotherapy. In addition to killing cancer cells, chemotherapy tends to kill other fast-growing cells, such as those in your intestinal lining. 2  Radiation therapy. Radiation therapy that focuses on your abdomen, pelvis or lower back can cause diarrhea. 3  Surgery.